Introduction To EBN

Question 1

What is the definition of EBN?

Answer 1

The conscientious, explicit, and judicious use of current best evidence in making decisions about the care of individual patients. The practice of EBN means integrating individual clinical expertise with the best available clinical research from systematic research.

Question 2

Definition of EBP

Answer 2

A problem-solving approach to clinical decision making that incorporates a search for the best and latest evidence, clinical expertise and assessment, patient preferences and values, within a context of caring.

Question 3

What is the triad of evidence composed of?

Answer 3

• Best scientific evidence
• Patient values
• Clinical experience

Question 4

What are the 7 steps of EBP?

Answer 4

Step 0 - Cultivate a spirit of enquiry
Step 1 - Ask clinical questions in appropriate format
Step 2 - Search for the best evidence
Step 3 - Critically appraise the evidence
Step 4 - Integrate the evidence with clinical expertise and patient preferences
Step 5 - Evaluate the outcomes of the practice decisions or changes based on evidence
Step 6 - Disseminate EBP results

Question 5

Describe the pyramid of evidence, best to worst.

Answer 5

1. Systematic review based on well designed Randomised Controlled Trials
2. One well designed RCT
3. Trials without randomisations or non-experimental studies
4. Qualitative studies
5. Opinions of respected authorities, based on clinical evidence, descriptive studies or reports of expert committees.

Question 6

What are some barriers to EBN?

Answer 6

• Time
• Motivation
• Skills
• Information overload